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Exoplanet

Kepler-129 b

1,333.47 light-years

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Discovery
Transit · 2014
Radius
2.4 (+0.04 / −0.04) Earth radii
Mass
< 20 Earth masses
Orbital period
15.79 days
Semi-major axis
0.13 AU
Equilibrium temperature
910 K
Mass provenance
Msini

Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.

NASA archive record and references ↗

Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00